apt-cache policy software-properties-gtk

software-properties-gtk:
  Installation: 0.68.1
  Modifier: Z=2n modifier
  Candidate: 0.68.1
  Versions-table:
 *** 0.68.1 0
        100 /var/lib/dpkg/status
     0.68 0
        500 http://archive.ubuntu.com intrepid/sub Packages